Loop And Ring Detect Board Push to talk accessories a combination of network Audio

a combination of network Audio Codec

(4) USB type-A

FOOT-HYD (1725-M3) is both hands-frees to position and hold the working tool

DT410 handset (WH) is the narrow band (300~3400Hz)

The durable Intellinet 510493 Gigabit Ethernet to SFP Media Converter has a 10/100/1000Base-TX to SFP slot

Loop And Ring Detect Board Push to talk accessories a combination of network AudioLoop And Ring Detect Board Detects Ring Voltage And Loop Connect Screw Terminal Connections Wall Mountable With Foam Tape (included) Or Screws (not Included) Auxiliary 12v Dc Output Adjustable Timeout For Relay Closure Two Sets Of Relay Contacts Provided Selectable No (normally Open) Or Nc (normally Closed) Relay Contacts Brand: Viking Electronics